// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/json/json_string_value_serializer.h"

#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/logging.h"

using base::Value;

JSONStringValueSerializer::JSONStringValueSerializer(std::string* json_string)
    : json_string_(json_string)
    , pretty_print_(false)
{
}

JSONStringValueSerializer::~JSONStringValueSerializer() { }

bool JSONStringValueSerializer::Serialize(const Value& root)
{
    return SerializeInternal(root, false);
}

bool JSONStringValueSerializer::SerializeAndOmitBinaryValues(
    const Value& root)
{
    return SerializeInternal(root, true);
}

bool JSONStringValueSerializer::SerializeInternal(const Value& root,
    bool omit_binary_values)
{
    if (!json_string_)
        return false;

    int options = 0;
    if (omit_binary_values)
        options |= base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES;
    if (pretty_print_)
        options |= base::JSONWriter::OPTIONS_PRETTY_PRINT;

    return base::JSONWriter::WriteWithOptions(root, options, json_string_);
}

JSONStringValueDeserializer::JSONStringValueDeserializer(
    const base::StringPiece& json_string,
    int options)
    : json_string_(json_string)
    , options_(options)
{
}

JSONStringValueDeserializer::~JSONStringValueDeserializer() { }

std::unique_ptr<Value> JSONStringValueDeserializer::Deserialize(
    int* error_code,
    std::string* error_str)
{
    return base::JSONReader::ReadAndReturnError(json_string_, options_,
        error_code, error_str);
}
